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Question 1

Absolute Dating

Answer 1

Any method of measuring the age of an event or object in years.

Question 2

Unconformity

Answer 2

Unconformities are gaps in the geologic record that may indicate episodes of crustal deformation, erosion, and sea level variations.

Question 3

Index fossils

Answer 3

A fossil that is found in the rock layers of only one geologic age and that is used to establish the age of the rock layers.

Question 4

Geological time scale

Answer 4

The standard method used to divide the Earth’s long natural history into manageable parts.

Question 5

Sea-floor spreading

Answer 5

The process by which new oceanic lithosphere forms as magma rises toward the surface and solidifies.

Question 6

Plate tectonics

Answer 6

The theory that explains how large pieces of the Earth’s outermost layer, called tectonic plates, move and change shape.

Question 7

Convergent boundaries

Answer 7

The boundary formed by the collision of two lithospheric plates.

Question 8

Divergent boundaries

Answer 8

The boundary between two tectonic plates that are moving away from each other.

Question 9

Transform boundaries

Answer 9

The boundary between tectonic plates that are sliding past each other horizontally.

Question 10

Fault

Answer 10

A break in a body of rock along which one block slides relative to another.

Question 11

Evolution

Answer 11

The process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of earth.

Question 12

Adaption

Answer 12

A change or the process of change in which an organism or species becomes better suited to its environment.

Question 13

Homologous structure

Answer 13

An example of an organ or bone that appears in different animals, that are similar.

Question 14

Analogous structures

Answer 14

Similar function but different, shape?.

Question 15

Taxonomy

Answer 15

The classification of something and other branch of science concerning classification.

Question 16

Vestigial structures

Answer 16

Vestigialty refers to genetically determined structures or attributes that have apparently lost most or all of their ancestral function in a given species, but have retained durning the process of evolution.

Question 17

Natural selection

Answer 17

The prices where an organism better adapted to their environment tend to survive and produce more off spring.

Question 18

Matter

Answer 18

Physical substance in general, anything that has made and takes up space

Question 19

Chemical property

Answer 19

A property or behavior of a substance when it undergoes a chemical change or reaction.

Question 20

Physical property

Answer 20

Any property that is measurable, whose value describes a state of a physical system.

Question 21

Chemical change

Answer 21

Any change that results int the formation of a new chemical substance

Question 22

Physical change

Answer 22

In which no new substances are formed, changes chemical substance, but not its chemical composition.

Question 23

Specific Heat

Answer 23

The best required to raise the temperature of the unit mass of a given substance by a given amount.

Question 24

Relative Dating

Answer 24

Any method of determining whether an event or object is older or younger than other objects or events.